| Application no. and date | 20735873.0 (espacenet) (Federated) (European Patent Register), 20200102 | | Patent/reg. no. and date | DK/EP 3904601, 20231129 | | Publication date | 20211103 | | Priority no. and date | CN 201910002398, 20190102 | | EP pub. no. and date |
EP 3904601 20211103 | | Effective date | | | Applicant/owner | Beijing Rechsand
Science & Technology Group Co., Ltd, B-508, Gem Techcenter
NO.9 Shangdi Third Street
Haidian District
Beijing 100085, CN,
Renchsand Eco-Environment Protection
Science and Technology Co., Ltd., No.1 Jiangjun Road,
Economic Development Zone, Yuexi County
Anqing
Anhui 246600, CN | | Applicant ref. no. | | | Inventor | QIN, Shengyi, B-508, Gem Techcenter
NO.9 Shangdi Third Street
Haidian District
Beijing 100085, CN,
MA, Zhikun, B-508, Gem Techcenter No. 9 Shangdi Third Street
Haidian District
Beijing 100085, CN,
HU, Wenxing, B-508, Gem Techcenter No. 9 Shangdi Third Street
Haidian District
Beijing 100085, CN | | Representative | | | Opponent | | | IPC Class | B29C 44/32 (2006.01) , B29C 44/54 (2006.01) , B32B 13/14 (2006.01) , B32B 37/24 (2006.01) , B32B 5/02 (2006.01) , B32B 5/26 (2006.01) , B32B 7/09 (2019.01) , B32B 7/12 (2006.01) , E02B 3/12 (2006.01) | | Title | BREATHABLE GEOSYNTHETIC CLAY LINER AND PRODUCTION PROCESS THEREFOR | | Int. application no. | CN2020070060 | | Int. publication no. | WO2020140933 | | Related patent (certificate) | | | Status | Enhedspatent registreret | | Pædiatrisk forlængelse | - | | Udløbsdato for pædiatrisk forlængelse | - |
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